OpenAI incident: Elevated error rates for gpt-5.6-luna API requests

1. resolvedOct 21, 2026, 16:44 UTC

   All impacted services have now fully recovered.

2. monitoringOct 21, 2026, 15:47 UTC

   We have applied the mitigation and are monitoring the recovery.

3. identifiedOct 21, 2026, 15:34 UTC

   We have identified that users are experiencing elevated errors for the impacted services. We are working on implementing a mitigation.

What APIStatus.watch saw

• Oct 21, 2026, 14:51 UTCpartial outage → degraded
• Oct 21, 2026, 17:05 UTCdegraded → operational

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How often does OpenAI have incidents?

OpenAI reported 48 incidents in the last 90 days, 9 of them major or critical. A typical incident lasted 1h 34m. See OpenAI's uptime and incident history